title: Development of resistance to 4-amino n10-methyl pteroylglutamic acid (Amethopterin) by Leuconostoc citrovorum.
mesh_terms: D000596:Amino Acids; D001669:Biochemical Phenomena; D005493:Folic Acid Antagonists; D007934:Leuconostoc; D002955:Leucovorin; D008727:Methotrexate
chemical_list: D000596:Amino Acids; D005493:Folic Acid Antagonists; D002955:Leucovorin; D008727:Methotrexate
keywords: FOLIC ACID ANTAGONISTS; LEUCONOSTOC